AS7521 INTERNET MULTIFEED CO.
AS7521 (MFEED) is registered to INTERNET MULTIFEED CO. in JP. It originates 9 prefixes in the global routing table.
Who holds AS7521
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
What AS7521 announces
Prefixes originated by AS7521 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
RPKI valid RPKI invalid no ROA covers it
Who AS7521 is reached through
The AS just before AS7521 in the paths our looking glass collectors hold, for 9 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
Provider authorization
AS7521 publishes no ASPA of its own. 2 ASes name it as a provider in theirs. Check a path.
The 2 ASes that name AS7521 as a provider
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
| Source | as-name | Maintained by |
|---|---|---|
| JPIRR | MFEED | MAINT-AS7521 |
| RADB | MFEED | MAINT-AS7521 |
Route objects with origin AS7521: JPIRR 12 · RADB 12